3L Cheap Mini battery portable oxygen concentrator with carry case

Technical Specifications:                                                                                                    

Airflow outlet: Approx 3+/- 1.5L/min(standard atmospheric pressure)

Concentration: 28%+/- 2%( standard atmospheric pressure)

Size: 260(L)X110(W)X170(H)

Generating unit: adapter 2.0KG

Generating unit+adapter+lithium battery (15V, 4A) +charger 2.4KG

Power Consumption: average below 32W

Rated Voltage:  AC 100-240V 50-60HZ or DC 12-15V

Noise:  below 50dB

Application temperature:5~40C Application humidity: below 90%RH

Storage temperature:0~40C Storage humidity: below 80%RH

The machine is recommended to work up to 8hrs continuously, and then let it rest for about 30 minutes and restart.

Battery duration is 60-80 minutes per full charge